When two hosts are trying to communicate across a network, how does the host originating the communication determine the hardware address of the host that it wants to "talk" to?（）
1、When an operator is trying to log off
When an operator is trying to log off the system displays this message: you have running jobs?? What does this mean?（）A One or more process...
When you try to start the Database Control by using the emctl start dbconsole command the&...
When you try to open your database， you receive the following error：  ORA-00205： error ...
You are trying to change the polling parameters used by the location manager via ...
5、Host 1 is trying to communicate with H
Host 1 is trying to communicate with Host 2. The e0 interface on Router C is down. Which of the following are true (Choose two.)（）。ARouter...
6、Host 1 is trying to communicate with H
Host 1 is trying to communicate with Host 2. The e0 interface on Router C is down. Which of the following are true?（）A Router C will use...